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Add av_get_bits_per_sample_format()

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Originally committed as revision 10099 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2007-08-13 05:23:38 +00:00
parent 99e8b22dc5
commit 42c71907cb
2 changed files with 26 additions and 2 deletions
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12
libavcodec/avcodec.h
View File

@ -33,8 +33,8 @@
#define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s
#define LIBAVCODEC_VERSION_INT ((51<<16)+(40<<8)+4)
#define LIBAVCODEC_VERSION 51.40.4
#define LIBAVCODEC_VERSION_INT ((51<<16)+(41<<8)+0)
#define LIBAVCODEC_VERSION 51.41.0
#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT
#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
@ -2706,6 +2706,14 @@ char av_get_pict_type_char(int pict_type);
*/
int av_get_bits_per_sample(enum CodecID codec_id);
/**
* Returns sample format bits per sample.
*
* @param[in] sample_fmt the sample format
* @return Number of bits per sample or zero if unknown for the given sample format.
*/
int av_get_bits_per_sample_format(enum SampleFormat sample_fmt);
/* frame parsing */
typedef struct AVCodecParserContext {
void *priv_data;

16
libavcodec/utils.c
View File

@ -1322,6 +1322,22 @@ int av_get_bits_per_sample(enum CodecID codec_id){
}
}
int av_get_bits_per_sample_format(enum SampleFormat sample_fmt) {
switch (sample_fmt) {
case SAMPLE_FMT_U8:
return 8;
case SAMPLE_FMT_S16:
return 16;
case SAMPLE_FMT_S24:
return 24;
case SAMPLE_FMT_S32:
case SAMPLE_FMT_FLT:
return 32;
default:
return 0;
}
}
#if !defined(HAVE_THREADS)
int avcodec_thread_init(AVCodecContext *s, int thread_count){
return -1;